Gengar

You may sacrifice a creature named Haunter and
mill a card rather than pay this spell's mana cost.
Flying, first strike, infect, trample, flanking, haste.
Protection from Warriors and colorless creatures
that are nonartifact and nonSpirit.
Gengar can't have -1/-1 counters placed on it. {p/c}, {t}: Gengar deals 8 damage to any nonplayer
target, as if they didn't have hexproof or ward. {p/c}: Gengar phases out. When Gengar phases in,
put a -1/-1 counter on target nonarti